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Let total work = 60 units (LCM of 10 and 12) Efficiency of ‘A’ = (60/10) = 6 units/day Efficiency of ‘B’ = (60/12) = 5 units/day Combined efficiency of ‘A’, ‘B’ and ‘C’ = (60/4) = 15 units/day Efficiency of ‘C’ = 15 – (6 + 5) = 4 units/day Required time taken = (60/4) = 15 days
The cost of 3 pens, 8 pencils, and 12 erasers at a stationery shop is Rs 90. At the same shop, the cost of 5 pens and 8 erasers i...
Rohit sold a machine for Rs. 1,050 and made a profit of 5% on it. At what price should he sell the machine to make a profit of 18% on it?
The marked price of an article is ₹600. After allowing a discount of 25% on the marked price, there was a loss of ₹30. The loss percentage is:
A shopkeeper sold an article after offering two successive discounts of 20% and 30%, respectively. If the marked price and the cost price of the article...
A manufacturer sells an article to a wholesaler at a profit of 20%. The wholesaler sells it to a retailer at a profit of 25%, and the retailer sells it ...
Mina sold 25 lamps at a profit of 20%. If she had sold all the lamps for Rs. 2500 more, her overall profit would have been 40%. What is the selling pric...
The ratio of cost price to the marked price of an article is 5:8. The article had been marked above its cost price by Rs. 432. If the article was sold a...
The cost price and the marked price of a book have a ratio of 5:7. The book is sold at a profit of Rs. 100, and the marked price exceeds the selling pr...
A shopkeeper marked an article 60% above its cost price and made a profit of Rs. 297.6 when he sold the article after giving a discount of 22%. Find the...
The ratio of the cost price and marked price of an article is 8:11, respectively. The article is sold after giving a discount of Rs. 600 such that there...
